16" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Floor Grille Toe Space featuring a 8" round duct

featuring a 8" round duct opening

Design - special "V" shaped louvers ensure 100% view block while ensuring easy un-restricted air flow

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 18" OR 18" x 30" duct opening (measured at the opening)

+ Why Hvac Premium

each diffuser is carefully shrink-wrapped with a sturdy cardboard backing

16" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Floor Grille Toe Space featuring a 8" round duct+ Product Details High Quality Aluminum housing on the outside and on the inside for the best insulation value Insulation A thick blanket of fiberglass insulation provides you with an R Value of 6. 0 Energy Efficient Air tight inner core decreases the pressure loss and provides a more hygienic environment high energy efficient No fiberglass erosion into air stream Design Designed to withstand bends and sharp turns without kinking. Tough reinforced